Home / 451,621.46-623,238.49-247,673.81

Finding the Fourth Proportional to 451,621.46, 623,238.49 and 247,673.81

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Solution

The fourth proportional to 451,621.46, 623,238.49 and 247,673.81 is: 341,790.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,621.46 : 623,238.49 = 247,673.81 : x
  2. Step 2: Convert to fraction form
    451,621.46/623,238.49 = 247,673.81/x
  3. Step 3: Cross multiply
    451,621.46x = 623,238.49 × 247,673.81
  4. Step 4: Simplify right side
    451,621.46x = 154,359,851,356.95
  5. Step 5: Solve for x
    x = 154,359,851,356.95/451,621.46
  6. Step 6: Final answer
    x = 341,790.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.